51 single -chip microcomputer development board 51 single -chip microcomputer small system board STC89C52 development board learning board

Compared to the old version, there are more relay control and digital tube!

Technical parameters:
1. Product name: Development board
2. Main -control chip: STC89C52
3. Crystal frequency: 11.0592m/12m
4. Input voltage: DC5V
5. Output voltage: DC5V
6. Power supply method: external 5V DC power supply power supply, USB interface power supply
7.PCB size: 90mm*77mm

Fringe resources:
1.ISP download interface (available for using AT89S52 or atmega16)
2. Active Beewater
3. Power switch
4. Power indicator light
5. Data receiving and sending indicator lights
6.usb communication interface
7.PL2303 communication chip
8.DS18B20 temperature sensor interface
9.38K infrared receiving header interface
10.4 -bit integrated digital tube interface
11. ZIF can be inserted and pulled out the chip seat
12.LCD1602 LCD screen interface
13.LCD12864 LCD screen interface
14.8 -bit LED
15. All pins of the single -chip microcomputer are drawn with exclusive needles
16. LCD screen -to -ratio adjustment potentiometer
17.4 independent keys
18.1 reset button
19. Relay circuit
20.4 positioning holes

Delivery list:
1.zs5100 development board